OBJECTIVE: This population-based study was conducted to evaluate the performance of colposcopy to assess women with positive visual inspection with acetic acid (VIA) and/or human papillomavirus (HPV) tests. MATERIALS AND METHODS: A total of 30,773 women were screened by VIA and oncogenic HPV test. Hybrid capture 2 was used for oncogenic HPV detection. All VIA- and/or HPV-positive women and 8.7% test-negative women had the colposcopy. International Federation of Cervical Pathology & Colposcopy (IFCPC) 2011 nomenclature was used for colposcopic classification of abnormalities. All women with grade 1 or worse lesions had punch biopsies. Biopsies were also obtained from HPV-positive women with normal colposcopy. RESULTS: Colposcopy and satisfactory biopsy reports were available for total 2466 women. The overall strength of agreement between colposcopy and histologic classification of cervical neoplasias was poor (kappa = 0.17). Agreement was better when colposcopy was performed on HPV-positive women compared to VIA-positive women. Sensitivity of colposcopy to detect high-grade squamous intraepithelial lesions (HSIL) at referral threshold of grade 1 abnormality was 84.8% after correction of verification bias. Colposcopy was most inaccurate in identifying non-neoplastic conditions often encountered in VIA- and/or HPV-positive women. In 68.8% women with normal histology, colposcopic impression was grade 1 and above. Overestimation of disease severity on colposcopy was more common in VIA-positive women. Colposcopy also underestimated severity of disease in 52.6% of women with HSIL diagnosis on biopsy. CONCLUSIONS: Colposcopy performed well in the overall detection of cervical neoplasias, though its capability for accurate categorisation of degree of abnormality was poor.
OBJECTIVE: This population-based study was conducted to evaluate the performance of colposcopy to assess women with positive visual inspection with acetic acid (VIA) and/or human papillomavirus (HPV) tests. MATERIALS AND METHODS: A total of 30,773 women were screened by VIA and oncogenic HPV test. Hybrid capture 2 was used for oncogenic HPV detection. All VIA- and/or HPV-positive women and 8.7% test-negative women had the colposcopy. International Federation of Cervical Pathology & Colposcopy (IFCPC) 2011 nomenclature was used for colposcopic classification of abnormalities. All women with grade 1 or worse lesions had punch biopsies. Biopsies were also obtained from HPV-positive women with normal colposcopy. RESULTS: Colposcopy and satisfactory biopsy reports were available for total 2466 women. The overall strength of agreement between colposcopy and histologic classification of cervical neoplasias was poor (kappa = 0.17). Agreement was better when colposcopy was performed on HPV-positive women compared to VIA-positive women. Sensitivity of colposcopy to detect high-grade squamous intraepithelial lesions (HSIL) at referral threshold of grade 1 abnormality was 84.8% after correction of verification bias. Colposcopy was most inaccurate in identifying non-neoplastic conditions often encountered in VIA- and/or HPV-positive women. In 68.8% women with normal histology, colposcopic impression was grade 1 and above. Overestimation of disease severity on colposcopy was more common in VIA-positive women. Colposcopy also underestimated severity of disease in 52.6% of women with HSIL diagnosis on biopsy. CONCLUSIONS: Colposcopy performed well in the overall detection of cervical neoplasias, though its capability for accurate categorisation of degree of abnormality was poor.
Authors: Jenna L Mueller; Elizabeth Asma; Christopher T Lam; Marlee S Krieger; Jennifer E Gallagher; Alaattin Erkanli; Roopa Hariprasad; J S Malliga; Lisa C Muasher; Bariki Mchome; Olola Oneko; Peyton Taylor; Gino Venegas; Anthony Wanyoro; Ravi Mehrotra; John W Schmitt; Nimmi Ramanujam Journal: J Low Genit Tract Dis Date: 2017-04 Impact factor: 1.925
Authors: Vijaya Srinivas; Holly M Nishimura; Poornima Jayakrishna; Karl Krupp; Purnima Madhivanan; SubbaRao V Madhunapantula Journal: Indian J Cancer Date: 2021 Jul-Sep Impact factor: 1.224